Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos sorteios quando há menos de 6 vitórias e a diferença de gols é inferior a -15?
 ###Tabelas: CREATE TABLE list_of_songs_released_in_2009 (list_of_songs_released_in_2009_id AUTO_INCREMENT PRIMARY KEY, Song title VARCHAR, Artist VARCHAR, Decade VARCHAR, Genre VARCHAR, Single / Pack name VARCHAR, Release date VARCHAR, Family Friendly VARCHAR, Additional Rock Band 3 Features VARCHAR) CREATE TABLE promotion_playoff (promotion_playoff_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Played INT, Points INT, Wins INT, Draws INT, Losses INT, Goals for INT, Goals against INT, Goal Difference INT) CREATE TABLE compounds_from_marine_sources_in_clinical_level (compounds_from_marine_sources_in_clinical_level_id AUTO_INCREMENT PRIMARY KEY, Clinical Status VARCHAR, Compound Name VARCHAR, Trademark VARCHAR, Marine Organism α VARCHAR, Chemical Class VARCHAR, Molecular Target VARCHAR, Clinical Trials β VARCHAR, Disease Area VARCHAR) CREATE TABLE overall_rankings (overall_rankings_id AUTO_INCREMENT PRIMARY KEY, 2013/14 INT, 2012/13 INT, 2011/12 INT, 2010/11 INT, Institute VARCHAR, Region VARCHAR) CREATE TABLE colours_and_shapes (colours_and_shapes_id AUTO_INCREMENT PRIMARY KEY, Type of sign VARCHAR, Shape VARCHAR, Border VARCHAR, Background colour VARCHAR, Text/Symbol VARCHAR)  
SELECT COUNT Draws FROM promotion_playoff WHERE Wins < 6 AND Goal Difference < -15